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Finding the Fourth Proportional to 536,384.95, 805,280.60 and 359,682.64

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Solution

The fourth proportional to 536,384.95, 805,280.60 and 359,682.64 is: 539,995.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,384.95 : 805,280.60 = 359,682.64 : x
  2. Step 2: Convert to fraction form
    536,384.95/805,280.60 = 359,682.64/x
  3. Step 3: Cross multiply
    536,384.95x = 805,280.60 × 359,682.64
  4. Step 4: Simplify right side
    536,384.95x = 289,645,450,350.37
  5. Step 5: Solve for x
    x = 289,645,450,350.37/536,384.95
  6. Step 6: Final answer
    x = 539,995.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.